Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas vezes a equipe alcançou um recorde geral de mu, 21-19?
 ###Tabelas: CREATE TABLE record_vs._other_opponents_at_least_15_games_played (record_vs._other_opponents_at_least_15_games_played_id AUTO_INCREMENT PRIMARY KEY, Missouri vs. VARCHAR, Overall Record VARCHAR, at Columbia VARCHAR, at Opponents Venue VARCHAR, at Neutral Site VARCHAR, Last 5 Meetings VARCHAR, Last 10 Meetings VARCHAR, Current Streak VARCHAR) CREATE TABLE _ (__id AUTO_INCREMENT PRIMARY KEY, City / Municipality VARCHAR, Date of Creation VARCHAR, Area (km 2 ) VARCHAR, Population (2010) INT, Income Classification ( DOF ) VARCHAR) CREATE TABLE asian_champions_league_appearances (asian_champions_league_appearances_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Venue VARCHAR, Opponent VARCHAR, Score VARCHAR, Result VARCHAR) CREATE TABLE american_weekly_ratings (american_weekly_ratings_id AUTO_INCREMENT PRIMARY KEY, Episode VARCHAR, Air Date VARCHAR, Timeslot (EST) VARCHAR, Rating INT, Share VARCHAR, 18–49 Rating VARCHAR, Viewers (millions) INT, Rank VARCHAR) CREATE TABLE consolation_round_7-12_place (consolation_round_7-12_place_id AUTO_INCREMENT PRIMARY KEY, Games INT, Drawn INT, Lost INT, Points difference VARCHAR, Points INT)  
SELECT COUNT Last 5 Meetings FROM record_vs._other_opponents_at_least_15_games_played WHERE Overall Record = MU, 21-19